Home / 10,883.61-15,019.56-6,167.79

Finding the Fourth Proportional to 10,883.61, 15,019.56 and 6,167.79

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Solution

The fourth proportional to 10,883.61, 15,019.56 and 6,167.79 is: 8,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.61 : 15,019.56 = 6,167.79 : x
  2. Step 2: Convert to fraction form
    10,883.61/15,019.56 = 6,167.79/x
  3. Step 3: Cross multiply
    10,883.61x = 15,019.56 × 6,167.79
  4. Step 4: Simplify right side
    10,883.61x = 92,637,491.97
  5. Step 5: Solve for x
    x = 92,637,491.97/10,883.61
  6. Step 6: Final answer
    x = 8,511.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.